The Mastic Doctor team standing beside their branded vans outside an office building
Essex · England

Woodham Mortimer fire stopping

Fire stopping for Woodham Mortimer, from a contractor working since 2005. Fully insured and CHAS accredited.

  • Damaged fire seals in risers and voids
  • Fire sealant pulled out of the opening
  • Builders’ foam or ordinary silicone in compartment walls
1
Send details
Tell us about the site, with photos if you have them.
2
Get a quote
A fixed quote for the work, with the scope in writing.
3
We seal
Failed joints cut out, faces prepared, new sealant laid.
4
Guaranteed
Our workmanship is guaranteed for 12 months.
London, the South East & Scotland
Constructionline member
£5m public liability

Need fire stopping in Woodham Mortimer?

Photos, a specification or a quick description of the joints is enough to start a fixed quote.

Fire stopping in Woodham Mortimer, done properly

Opened ceilings and riser doors often reveal service openings nobody sealed. If a specification already covers those walls and floors, we can reseal to it. Where there isn’t one, the designer or fire engineer needs to set one first. Site teams most often ask us about seals that don’t match their tested detail and service penetrations left open after M&E works, across service gaps in risers, small duct penetrations where the tested detail allows and linear gaps at wall heads. Most enquiries from Woodham Mortimer start with one failed joint and grow into a wider look at the building: we check the joints around it and give you an honest view of what needs doing now and what can wait.

Rural conversions around Woodham Mortimer can put new fire-resisting partitions inside older structures. A penetration seal only performs as tested if product, substrate, service, gap and depth all match the detail.

Our workmanship is guaranteed for 12 months. If a joint we sealed fails because of how it was installed, we come back and put it right.

The Mastic Doctor team beside their liveried vans in front of an office building
Place
Woodham Mortimer (CM9)
Wider area
Essex
Guarantee
12 months on our workmanship
Quote
A fixed quote before we start
Telephone
01277 525 020
Last updated
3 November 2026

What the job involves on each surface

Drylining partitions

Drylined fire walls are tested in a particular build-up. The sealant detail has to be tested in that wall type, with the stated board layers first.

Plastic pipes

Plastic waste pipes through slabs come up often. The detail decides whether sealant alone is enough, and we won’t substitute it for a specified collar.

General trades versus a specialist

Site maintenance staff can often handle a short internal joint. The usual problems come from preparation: sealing over old material, sealing onto damp or dusty surfaces, or a product that can’t take the movement.

For most general trades, sealant is a sideline. A specialist brings correct preparation, depth control with backing rod and a product suited to that particular joint.

How a job runs

Site rules come first: sign-in, induction and whatever permit system the building uses. With the paperwork done, the joints are worked through in the order agreed with your site contact. For work around Woodham Mortimer, we aim to finish in one visit, so photographs and measurements up front really help. That way the right products come on the day.

  1. We read the specification, drawings or penetration schedule you send and ask about anything unclear.
  2. On site, each opening is checked against the tested detail it is meant to follow.
  3. Anything that doesn’t belong in the opening, such as expanding foam or general-purpose filler, is removed.
  4. We fit the backing the detail asks for, to the stated depth.
  5. We apply the specified sealant to the depth and around the services as the detail shows.
  6. Openings that need a collar, wrap, batt or other product are flagged to you rather than filled with sealant.

Preparing the site

  • Tell us your opening times and when work is allowed
  • Explain the parking and delivery arrangements
  • Make sure the joints can be reached

Quotes

To get a fixed quote, ring 01277 525 020 or email drawings and photos, telling us the site location and the nature of the job. You can also send details through our quote form.

Ask for a quote

Related advice

Maintenance after handover

After handover, these steps help:

  • Record which product was used where
  • Put resealing into every M&E and fit-out package
  • Arrange inspection before areas are covered up
  • Flag new cables with no seal around them

Store the specified product details somewhere the next contractor can find them. It makes later repairs much easier to match.

The simplest way to keep compartment walls intact is to plan fire stopping into every job that crosses them. Then the seal goes in while the area is open, not months later.

Woodham Mortimer: questions and answers

Is hospital work, at somewhere like St Peter's Hospital, something you do?

Yes. Healthcare sites are among the places we work. Each area is agreed with the ward or department and the estates team in advance.

Is Woodham Mortimer too far out for you?

Not at all. Woodham Mortimer is within our area. We work across Greater London and the South East. Send photos and a list of what needs doing, and we will plan the job to need as few trips as possible.

Is it fine to apply new sealant on top of old?

No, never. Sealing over old material is one of the classic causes of early joint failure, so everything comes out first.

How long will the new sealant last?

It depends on movement, UV and weather, cleaning, traffic and the product. Treat them as maintenance items and inspect them regularly.

Will you come and look before quoting?

It depends on the job. Straightforward work can often be priced from photos and measurements, and bigger or more complex jobs normally get a visit.

What does an EI 60 rating mean?

The tests are BS EN 1366-3 for penetrations and BS EN 1366-4 for linear joints, and classification is to BS EN 13501-2. An EI 60 seal kept its integrity and insulation for 60 minutes as tested.

Is the work guaranteed?

Yes. It runs for twelve months and covers how we prepared and sealed the joints, but not damage, misuse or other trades’ work.

For managing agents and facilities managers

Hotels, schools, healthcare sites, offices and retail units come to us directly as well. We plan around the way the building is used, so the building keeps working while we do.

When you manage a building on behalf of an owner, you need clear quotes and clear reporting. You get a fixed quote, an agreed scope and a walk round at the end.

Fire stopping around Woodham Mortimer: points for this area

Fire stopping of openings and penetrations in England falls under Approved Document B. Its BS 476 references are being withdrawn from 2 September 2029, with BS EN 13501-2 classification taking over, subject to transitional arrangements. Either way, we install the specified product to its tested detail. Central London is about 34 miles from Woodham Mortimer. Tenant changes on commuter-belt business parks mean regular fit-outs, and new services through compartment walls.

Offices at parks like Wycke Hill Business Park (2 miles east of Woodham Mortimer) are re-cabled with each new tenant, and compartment walls need sealing afterwards to the tested detail. At a healthcare site like St Peter's Hospital, 2.6 miles to the north-east of Woodham Mortimer, new services through compartment walls are a constant, and each needs the specified seal. In a building such as Church of St Margaret, any service penetration through a fire-resisting wall should be sealed to the specified detail.

Woodham Mortimer is about 3 miles west of Maldon, in Essex. Across the CM9 postcode area, the process is the same: send details, get a fixed quote, we seal, and the work is guaranteed. Our Essex coverage takes in 644 places. There’s a separate page for London, about 34 miles away.

Postcode districts covered here: CM9. Buildings on Maldon Road, Conduit Lane and Bryant's Lane are within our area. If your building is just outside Woodham Mortimer, we cover Hazeleigh (1 mile south-east), Woodham Walter (1 mile north), Curling Tye Green (2 miles north-east), Ulting (3 miles north) and Maldon (3 miles east). A short drive away, we cover Chelmsford (6 miles west), Basildon (12 miles south-west), Braintree (12 miles north), Brentwood (15 miles south-west), Canvey Island (13 miles south) and Billericay (10 miles south-west).

Landmarks near Woodham Mortimer

In Woodham Mortimer, that means premises near The Hurdlemarker's Arms, among other places. For rail, the closest station is South Woodham Ferrers station, about 4.3 miles south. Nearby you will also find Baddow Hospital (4.9 miles west). Green spaces nearby include Danbury Ridge Nature Reserves.

Map of Woodham Mortimer © OpenStreetMap contributors

Quoting for work in Woodham Mortimer

We price every job individually. The main factors are:

  • Working within restricted access windows
  • Any access equipment needed
  • Which sealant the job calls for
  • Site requirements such as inductions and permits

Cost follows what’s involved: stripping out, preparation, sealing, access and phasing. Call for a fixed quote and we’ll explain how it’s made up.

What we need to price the job

We can often quote from photographs and a few details. It helps to include:

  • Specification clauses that apply
  • Access details, including height
  • What the building is and how it’s used
  • The postcode of the building

We quote a fixed sum against the scope you give us, so you know the figure before anyone is on site. To ask for one, call 01277 525 020 or email a schedule or drawings.

Accreditations

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